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Custom and natural lighting conditions can be emulated in images of the scene during post-editing. Extraordinary capabilities of the deep learning framework can be utilized for such purpose. Deep image relighting allows automatic photo…

Computer Vision and Pattern Recognition · Computer Science 2021-06-17 Sourya Dipta Das , Nisarg A. Shah , Saikat Dutta , Himanshu Kumar

Point source detection at low signal-to-noise is challenging for astronomical surveys, particularly in radio interferometry images where the noise is correlated. Machine learning is a promising solution, allowing the development of…

Instrumentation and Methods for Astrophysics · Physics 2019-04-02 A. Vafaei Sadr , Etienne. E. Vos , Bruce A. Bassett , Zafiirah Hosenie , N. Oozeer , Michelle Lochner

While deep learning-based image reconstruction methods have shown significant success in removing objects from pictures, they have yet to achieve acceptable results for attributing consistency to gender, ethnicity, expression, and other…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Gourango Modak , Shuvra Smaran Das , Md. Ajharul Islam Miraj , Md. Kishor Morol

Scanning transmission electron microscopy (STEM) is a powerful tool to reveal the morphologies and structures of materials, thereby attracting intensive interests from the scientific and industrial communities. The outstanding spatial…

Image and Video Processing · Electrical Eng. & Systems 2024-09-26 Hanlei Zhang , Jincheng Bai , Xiabo Chen , Can Li , Chuanjian Zhong , Jiye Fang , Guangwen Zhou

Electron microscopy is widely used to explore defects in crystal structures, but human detecting of defects is often time-consuming, error-prone, and unreliable, and is not scalable to large numbers of images or real-time analysis. In this…

The quality grading of mangoes is a crucial task for mango growers as it vastly affects their profit. However, until today, this process still relies on laborious efforts of humans, who are prone to fatigue and errors. To remedy this, the…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Shih-Lun Wu , Hsiao-Yen Tung , Yu-Lun Hsu

Deep convolutional neural networks (DCNNs) have become the most common solution for automatic image annotation due to their non-parametric nature, good performance, and their accessibility through libraries such as TensorFlow. Among other…

Astrophysics of Galaxies · Physics 2022-01-11 Sanchari Dhar , Lior Shamir

Galaxy-scale strong lenses in galaxy clusters provide a unique tool to investigate their inner mass distribution and the sub-halo density profiles in the low-mass regime, which can be compared with the predictions from cosmological…

Cosmology and Nongalactic Astrophysics · Physics 2023-08-09 G. Angora , P. Rosati , M. Meneghetti , M. Brescia , A. Mercurio , C. Grillo , P. Bergamini , A. Acebron , G. Caminha , M. Nonino , L. Tortorelli , L. Bazzanini , E. Vanzella

The Chinese Space Station Telescope (abbreviated as CSST) is a future advanced space telescope. Real-time identification of galaxy and nebula/star cluster (abbreviated as NSC) images is of great value during CSST survey. While recent…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Yuquan Zhang , Zhong Cao , Feng Wang , Lam , Man I , Hui Deng , Ying Mei , Lei Tan

With the advent of new spectroscopic surveys from ground and space, observing up to hundreds of millions of galaxies, spectra classification will become overwhelming for standard analysis techniques. To prepare for this challenge, we…

Astrophysics of Galaxies · Physics 2022-06-08 Fucheng Zhong , Rui Li , Nicola R. Napolitano

Deep learning approaches have achieved highly accurate face recognition by training the models with very large face image datasets. Unlike the availability of large 2D face image datasets, there is a lack of large 3D face datasets available…

Computer Vision and Pattern Recognition · Computer Science 2021-12-23 Meng-Tzu Chiu , Hsun-Ying Cheng , Chien-Yi Wang , Shang-Hong Lai

Based on the DUSTGRAIN-pathfinder suite of simulations, we investigate observational degeneracies between nine models of modified gravity and massive neutrinos. Three types of machine learning techniques are tested for their ability to…

Cosmology and Nongalactic Astrophysics · Physics 2019-04-17 Julian Merten , Carlo Giocoli , Marco Baldi , Massimo Meneghetti , Austin Peel , Florian Lalande , Jean-Luc Starck , Valeria Pettorino

In this work we explore the possibility of applying machine learning methods designed for one-dimensional problems to the task of galaxy image classification. The algorithms used for image classification typically rely on multiple costly…

Astrophysics of Galaxies · Physics 2022-02-23 F. Tarsitano , C. Bruderer , K. Schawinski , W. G. Hartley

Addressing airport traffic jams is one of the most crucial and challenging tasks in the remote sensing field, especially for the busiest airports. Several solutions have been employed to address this problem depending on the airplane…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 W. T. Alshaibani , Mustafa Helvaci , Ibraheem Shayea , Hafizal Mohamad

Blind deblurring consists a long studied task, however the outcomes of generic methods are not effective in real world blurred images. Domain-specific methods for deblurring targeted object categories, e.g. text or faces, frequently…

Computer Vision and Pattern Recognition · Computer Science 2017-05-26 Grigorios G. Chrysos , Stefanos Zafeiriou

Deep convolutional neural network (DCNN) based supervised learning is a widely practiced approach for large-scale image classification. However, retraining these large networks to accommodate new, previously unseen data demands high…

Computer Vision and Pattern Recognition · Computer Science 2020-03-26 Syed Shakib Sarwar , Aayush Ankit , Kaushik Roy

Deep Convolutional Neural Networks (DCNNs) have recently shown state of the art performance in high level vision tasks, such as image classification and object detection. This work brings together methods from DCNNs and probabilistic…

Computer Vision and Pattern Recognition · Computer Science 2016-06-08 Liang-Chieh Chen , George Papandreou , Iasonas Kokkinos , Kevin Murphy , Alan L. Yuille

We present MargNet, a deep learning-based classifier for identifying stars, quasars and compact galaxies using photometric parameters and images from the Sloan Digital Sky Survey (SDSS) Data Release 16 (DR16) catalogue. MargNet consists of…

Astrophysics of Galaxies · Physics 2022-11-16 Siddharth Chaini , Atharva Bagul , Anish Deshpande , Rishi Gondkar , Kaushal Sharma , M. Vivek , Ajit Kembhavi

The Wide-field Infrared Survey Explorer (WISE) has detected hundreds of millions of sources over the entire sky. However, classifying them reliably is a great challenge due to degeneracies in WISE multicolor space and low detection levels…

Instrumentation and Methods for Astrophysics · Physics 2023-07-12 Guiyu Zhao , Bo Qiu , A-Li Luo , Xiaoyu Guo , Lin Yao , Kun Wang , Yuanbo Liu

Scene categorization (SC) in remotely acquired images is an important subject with broad consequences in different fields, including catastrophe control, ecological observation, architecture for cities, and more. Nevertheless, its several…

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